package Login;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import java.io.IOException;

@WebServlet("/index")
public class IndexServlet extends HttpServlet {

    @Override
    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        resp.setContentType("text/html; charset=utf8");
        // 设置false 表示不创建
        HttpSession session = req.getSession(false);
        if (session == null){
            resp.setStatus(403);
            resp.getWriter().write("您未进行登录,请进行登录");
            return;
        }
        String username = (String) session.getAttribute("username");
        resp.getWriter().write("欢迎来到主页"+ username);
    }
}
